package com.service;


import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

import java.util.Arrays;

@Aspect
public class UserServiceLogger {

    private static final Logger log=Logger.getLogger(UserServiceLogger.class);

    @Pointcut("execution(* com.service.UserService.*(..))")
    public void pointcut(){}

    @Before("pointcut()")
    //前置增强
    public void before(JoinPoint jp){
        log.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()+"方法。方法入参："+Arrays.toString(jp.getArgs()));
    }

    @AfterReturning(pointcut = "pointcut()",returning = "result")
    //后置增强
    public void afterReturning(JoinPoint jp,Object result){
        log.info("调用"+jp.getTarget()+"的"+jp.getSignature().getName()+"方法。方法返回值："+result);
    }
}
